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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 273 · 40 questions
TalentJR

How to solve it (Jump to the hour): Minutes after: jump to the next full hour, then add the minutes that are left. Minutes before: jump back to the full hour, then go back the rest. How long: change both times to minutes, take away, then change back to hours and minutes (60 minutes = 1 hour).

NameDateTime takenScore ___ / 40
  1. 1.What time was it 20 minutes before 11:45? (a) 11:25 (b) 11:35 (c) 10:25 (d) 12:25
  2. 2.What time will it be 20 minutes after 1:40? (a) 3:00 (b) 1:50 (c) 2:00 (d) 1:00
  3. 3.A film starts at 4:50 and ends at 7:10. How long is the film? (a) 2 h 30 min (b) 2 h 20 min (c) 1 h 20 min (d) 3 h 20 min
  4. 4.A film starts at 7:00 and ends at 9:25. How long is the film? (a) 2 h 35 min (b) 1 h 25 min (c) 2 h 25 min (d) 3 h 25 min
  5. 5.A film starts at 4:10 and ends at 7:05. How long is the film? (a) 3 h 5 min (b) 2 h 55 min (c) 3 h 55 min (d) 1 h 55 min
  6. 6.What time will it be 50 minutes after 7:45? (a) 8:25 (b) 9:35 (c) 8:35 (d) 7:35
  7. 7.A film starts at 8:00 and ends at 10:25. How long is the film? (a) 2 h 35 min (b) 1 h 25 min (c) 2 h 25 min (d) 3 h 25 min
  8. 8.What time was it 50 minutes before 11:35? (a) 10:55 (b) 9:45 (c) 11:45 (d) 10:45
  9. 9.What time will it be 55 minutes after 10:20? (a) 11:05 (b) 10:15 (c) 12:15 (d) 11:15
  10. 10.What time was it 20 minutes before 4:40? (a) 3:20 (b) 5:20 (c) 4:20 (d) 4:30
  11. 11.What time was it 35 minutes before 8:35? (a) 7:00 (b) 9:00 (c) 8:10 (d) 8:00
  12. 12.What time will it be 40 minutes after 3:30? (a) 5:10 (b) 4:00 (c) 3:10 (d) 4:10
  13. 13.A film starts at 8:40 and ends at 10:45. How long is the film? (a) 2 h 5 min (b) 1 h 5 min (c) 2 h 15 min (d) 3 h 5 min
  14. 14.What time will it be 20 minutes after 3:15? (a) 4:35 (b) 3:35 (c) 2:35 (d) 3:25
  15. 15.What time was it 35 minutes before 4:00? (a) 2:25 (b) 3:35 (c) 4:25 (d) 3:25
  16. 16.A film starts at 4:45 and ends at 7:15. How long is the film? (a) 1 h 30 min (b) 2 h 40 min (c) 3 h 30 min (d) 2 h 30 min
  17. 17.What time was it 35 minutes before 9:50? (a) 8:15 (b) 9:25 (c) 10:15 (d) 9:15
  18. 18.What time was it 20 minutes before 7:15? (a) 6:55 (b) 5:55 (c) 7:55 (d) 7:05
  19. 19.What time will it be 20 minutes after 5:40? (a) 7:00 (b) 5:50 (c) 5:00 (d) 6:00
  20. 20.What time will it be 20 minutes after 8:10? (a) 9:30 (b) 8:20 (c) 7:30 (d) 8:30
  21. 21.What time was it 30 minutes before 2:35? (a) 2:05 (b) 3:05 (c) 2:15 (d) 1:05
  22. 22.What time will it be 35 minutes after 9:05? (a) 9:40 (b) 9:30 (c) 10:40 (d) 8:40
  23. 23.What time was it 45 minutes before 2:40? (a) 1:45 (b) 1:55 (c) 2:55 (d) 2:05
  24. 24.What time was it 15 minutes before 5:45? (a) 6:30 (b) 5:30 (c) 4:30 (d) 5:40
  25. 25.What time will it be 45 minutes after 3:00? (a) 3:45 (b) 2:45 (c) 3:35 (d) 4:45
  26. 26.What time was it 50 minutes before 7:50? (a) 8:00 (b) 7:10 (c) 6:00 (d) 7:00
  27. 27.A film starts at 5:50 and ends at 6:20. How long is the film? (a) 40 min (b) 1 h 30 min (c) 30 min (d) 20 min
  28. 28.What time was it 15 minutes before 7:45? (a) 6:30 (b) 7:30 (c) 7:40 (d) 8:30
  29. 29.What time will it be 45 minutes after 9:20? (a) 9:05 (b) 11:05 (c) 9:55 (d) 10:05
  30. 30.A film starts at 2:45 and ends at 5:25. How long is the film? (a) 3 h 40 min (b) 2 h 40 min (c) 2 h 50 min (d) 1 h 40 min
  31. 31.What time will it be 55 minutes after 10:30? (a) 10:25 (b) 11:15 (c) 12:25 (d) 11:25
  32. 32.What time was it 40 minutes before 7:55? (a) 8:15 (b) 6:15 (c) 7:25 (d) 7:15
  33. 33.What time was it 25 minutes before 4:10? (a) 3:45 (b) 2:45 (c) 3:55 (d) 4:45
  34. 34.What time will it be 25 minutes after 3:05? (a) 2:30 (b) 3:30 (c) 3:20 (d) 4:30
  35. 35.What time was it 25 minutes before 6:45? (a) 6:20 (b) 7:20 (c) 5:20 (d) 6:30
  36. 36.What time was it 25 minutes before 8:30? (a) 9:05 (b) 8:15 (c) 8:05 (d) 7:05
  37. 37.What time was it 55 minutes before 4:20? (a) 3:35 (b) 3:25 (c) 2:25 (d) 4:25
  38. 38.A film starts at 2:25 and ends at 5:10. How long is the film? (a) 2 h 45 min (b) 1 h 45 min (c) 2 h 55 min (d) 3 h 45 min
  39. 39.What time was it 55 minutes before 2:40? (a) 1:45 (b) 1:55 (c) 2:45 (d) 1:35
  40. 40.A film starts at 1:25 and ends at 1:55. How long is the film? (a) 30 min (b) 1 h 30 min (c) 40 min (d) 20 min

Answer key

  1. 11:25
  2. 2:00
  3. 2 h 20 min
  4. 2 h 25 min
  5. 2 h 55 min
  6. 8:35
  7. 2 h 25 min
  8. 10:45
  9. 11:15
  10. 4:20
  11. 8:00
  12. 4:10
  13. 2 h 5 min
  14. 3:35
  15. 3:25
  16. 2 h 30 min
  17. 9:15
  18. 6:55
  19. 6:00
  20. 8:30
  21. 2:05
  22. 9:40
  23. 1:55
  24. 5:30
  25. 3:45
  26. 7:00
  27. 30 min
  28. 7:30
  29. 10:05
  30. 2 h 40 min
  31. 11:25
  32. 7:15
  33. 3:45
  34. 3:30
  35. 6:20
  36. 8:05
  37. 3:25
  38. 2 h 45 min
  39. 1:45
  40. 30 min

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